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Lab talk, the good, the bad, and the ugly
Porcelain
GC LiSi Over Zirconia Substructures?
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<blockquote data-quote="Bentchase" data-source="post: 184415" data-attributes="member: 9707"><p>My thought is.......why would the same porcelain work ontop of both mediums for one company and not the other. Shouldn't be too great of temp difference due to the lower firing /melting(cough cough) parameters of the emax material. </p><p>[ATTACH=full]19078[/ATTACH] </p><p></p><p></p><p></p><p>Thinking maybe if the ceram is barely within both thermal expansion/cohesion parameters of the two substructure, maybe GC fits a little better with the emax substructure just pushing it outside of the parameters of working on top of zirconia, maybe too low fusing.</p><p>I doubt it though. I just don't think GC wants to shoot themselves in the foot with a line of porcelain that can push out another of their own products.</p><p>That would be like...........If I told my wife about my girlfriend......... Of course they are going to keep the "double dippin" as long as they possibly can.</p><p>Honestly haven't looked into the science involved with either. Tech could probably inform me. I'll ask and share what I find out.</p></blockquote><p></p>
[QUOTE="Bentchase, post: 184415, member: 9707"] My thought is.......why would the same porcelain work ontop of both mediums for one company and not the other. Shouldn't be too great of temp difference due to the lower firing /melting(cough cough) parameters of the emax material. [ATTACH=full]19078[/ATTACH] Thinking maybe if the ceram is barely within both thermal expansion/cohesion parameters of the two substructure, maybe GC fits a little better with the emax substructure just pushing it outside of the parameters of working on top of zirconia, maybe too low fusing. I doubt it though. I just don't think GC wants to shoot themselves in the foot with a line of porcelain that can push out another of their own products. That would be like...........If I told my wife about my girlfriend......... Of course they are going to keep the "double dippin" as long as they possibly can. Honestly haven't looked into the science involved with either. Tech could probably inform me. I'll ask and share what I find out. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Porcelain
GC LiSi Over Zirconia Substructures?
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